package feifei;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

@WebServlet("/addUser.action")
public class AddUserServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        req.setCharacterEncoding("UTF-8");
        resp.setContentType("text/html;charset=UTF-8");
        String username = req.getParameter("username");
        String userid = req.getParameter("userid");
        String description = req.getParameter("description");
        User user=new User(userid,username,description);
        HttpSession session = req.getSession();
        List<User> userList = (List<User>) session.getAttribute("userList");
        if(userList==null){
            userList=new ArrayList<>();
        }
        userList.add(user);
        System.out.println(userList);
        session.setAttribute("userList", userList);
        resp.sendRedirect(req.getContextPath()+"/userInfo.jsp");

    }
}
